@article{TMF_1999_120_1_a3,
     author = {I. G. Korepanov and S. Saito},
     title = {Finite-dimensional analogues of the string $s\leftrightarrow t$ duality and the pentagon equation},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {54--63},
     publisher = {mathdoc},
     volume = {120},
     number = {1},
     year = {1999},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1999_120_1_a3/}
}